问题:多选题Which two statements are true about TCP communication?()AThe receiver acknowledges the final packet in each communications stream.BThe receiver adds sequencing numbers to the packets received.CThe sender adds sequencing numbers to the packets it sends.DThe receiver acknowledges each packet it receives from the sending device.
Monday, September 18, 2023
问题:单选题What does the command show compare rollback 1 display?()A the difference between the current candidate configuration and the candidate configuration from one commit agoB the difference between the current active configuration and the current candidate configurationC the difference between the current active configuration and the active configuration from one commit agoD the difference between the current candidate configuration and the archived configuration from one commit ago
Thursday, March 16, 2023
问题:单选题What information does the help reference command provide?()A A brief description of commands and their default valuesB The serial number and version number of the device used to open a support case with JTACC A list of all the active hardware alarms on the deviceD A display of the current configuration while in operational mode
Thursday, September 22, 2022
问题:多选题Which two statements are true about the forwarding table?()AThe forwarding table lists each source protocol and preference for each destination.BThe forwarding table contains only active routes.CThe forwarding table is used to process transit packets.DThe forwarding table is stored in compact flash.
Thursday, April 4, 2024
问题:多选题Which two statements are true regarding the role of the Routing Engine (RE)?()AThe RE controls and monitors the chassis.BThe RE manages the Packet Forwarding Engine (PFE).CThe RE receives a copy of the forwarding table from the forwarding plane.DThe RE implements class of service (COS).
Tuesday, January 24, 2023
问题:单选题You are configuring a new BGP neighbor and want to view the configuration of interface ge-0/0/0.42. Which command do you use to achieve this result?()A [edit protocols bgp group external] user@router# set interfaces ge-0/0/0.42B [edit protocols bgp group external] user@router# edit show interfaces ge-0/0/0.42C [edit protocols bgp group external] user@router# top show interfaces ge-0/0/0.42D [edit protocols bgp group external] user@router# show interfaces ge-0/0/0.42
Saturday, November 19, 2022
问题:单选题There are three static routes in the routing table that need to be announced to your OSPF peers. Which method is used to accomplish this?()A Apply an import policy to OSPF that injects the static routes into OSPFB Apply an import policy to the static routes that injects the static routes into OSPFC Apply an export policy to the static routes that injects the static routes into OSPFD Apply an export policy to OSPF that injects the static routes into OSPF
问题:多选题Which two statements are true of a network mask?()AA subnet mask specifies the portion of an IP address that is in a binary format.BA subnet mask specifies the portion of an IP address that is in a decimal format.CA subnet mask specifies the portion of an IP address that represents a network prefix.DA subnet mask specifies the portion of an IP address that represents network hosts.
Friday, March 10, 2023
问题:单选题You configured an interface with an IP address and committed the change. You then committed a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router. How do you undo all these changes?()A rollback 2B rollback 1C rollback 0D rollback 3
Friday, February 17, 2023
问题:多选题What are two routing requirements for a device to communicate with another device?()Aend-to-end communications pathBhosts on the same Layer 2 broadcast domainChosts on the same Layer 3 broadcast domainDrouting information on participating Layer 3 devices
Saturday, October 28, 2023
问题:多选题What are three benefits of using IPv6?()AIPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.BIPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.CIPv6 eliminates the need for private to public NAT using a large address pool.DIPv6 provides backward compatibility with IPv4 using the Next Header field.EIPv6 represents large IP addresses using dotted decimal notation.
Monday, September 25, 2023
问题:单选题What represents the binary equivalence of 96?()A 11010100B 01100000C 11010000D 11101010
Wednesday, September 21, 2022
问题:单选题What represents the binary equivalence of 148?()A 10010110B 11010010C 10011100D 10010100
Sunday, May 5, 2024
问题:单选题Which statement is correct about the forwarding table?()A The forwarding table is stored only on the PFEB The forwarding table contains all known routesC The forwarding table is stored on both the RE and PFED The forwarding table is stored only on the RE
问题:多选题Which two commands will successfully create ping traffic?()Auser@router# ping 10.10.10.1Buser@router# run ping 10.10.10.1Cuser@router> ping 10.10.10.1Duser@router> request ping 10.10.10.1
问题:单选题Which command will delete the current rescue configuration?()A user@router# system delete configuration rescueB user@router> request system configuration rescue deleteC user@router# delete rescue configurationD user@router> file delete rescue-configuration
Friday, November 24, 2023
问题:单选题Which statement is true regarding the Junos OS?()A All platforms running the Junos OS have identical factory-default configurations.B All platforms running the Junos OS use the IP2 processor for longest-match lookup.C All platforms running the Junos OS use the same source code base.D All platforms running the Junos OS use FXP1 for communication between control and forwarding planes.
Saturday, September 30, 2023
问题:单选题What is the role of route preference?()A It is used as a tiebreaker when the same prefix is available through multiple protocols.B It is used to determine the preferred path to a given destination.C It is used to select the best route between multiple equal-cost paths.D It is used to select which routing table to use for forwarding.
Thursday, March 7, 2024
问题:单选题You have been assigned the /24 network and need to segment it into at least 60 subnets.Which network mask meets this requirement?()A /27B /28C /29D /30
Thursday, September 15, 2022